# Lens specifications

#### Specifications

<table border="1" id="bkmrk-focal-length-5-50mm-" style="border-collapse: collapse; width: 100%;"><tbody><tr><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Focal Length</span>

</td><td style="width: 50%;"><span style="font-family: Arial, sans-serif;"><span style="font-size: small;">5-50</span></span><span style="font-family: Arial, sans-serif;"><span style="font-size: small;">mm</span></span>

</td></tr><tr><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Aperture</span>

</td><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">f/</span><span style="font-family: Arial, sans-serif;">2.0</span>

</td></tr><tr><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Image Size</span>

</td><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">1/2</span><span style="font-family: Arial, sans-serif;">.7</span><span style="font-family: Arial, sans-serif;">″</span>

</td></tr><tr><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Mount Type</span>

</td><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">D14  
</span>

</td></tr><tr><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Minimum Object Distance</span>

</td><td style="width: 50%;">≥<span style="font-family: Arial, sans-serif;">1</span><span style="font-family: Arial, sans-serif;">m</span>

</td></tr><tr><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Back Focal Length</span>

</td><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">6.87</span><span style="font-family: Arial, sans-serif;">mm</span>

</td></tr><tr><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Operation Mode Iris</span>

</td><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Fixed  
</span>

</td></tr><tr><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Operation Mode Focus</span>

</td><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Stepper motor  
</span>

</td></tr><tr><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Operation Mode Zoom</span>

</td><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Stepper motor  
</span>

</td></tr><tr><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">External Dimensions</span>

</td><td style="width: 50%;">- <span style="font-family: Arial, sans-serif;">Diameter: 30mm</span>
- <span style="font-family: Arial, sans-serif;">Length: </span><span style="font-family: Arial, sans-serif;">52.5</span><span style="font-family: Arial, sans-serif;">mm</span>

</td></tr><tr><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Weight</span>

</td><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">136</span><span style="font-family: Arial, sans-serif;">g</span>

</td></tr></tbody></table>

#### Drawings

[![5-50mm_lens.png](https://wiki.kurokesu.com/uploads/images/gallery/2020-08/scaled-1680-/5-50mm_lens.png)](https://wiki.kurokesu.com/uploads/images/gallery/2020-08/5-50mm_lens.png)

#### Wiring

<table border="1" id="bkmrk-wire-nr-wire-color-o" style="border-collapse: collapse; width: 63.0864%; height: 116px;"><tbody><tr style="height: 29px;"><td class="align-center" style="width: 9.07407%; height: 29px;">**Wire Nr**</td><td class="align-center" style="width: 18.9506%; height: 29px;">**Wire color**</td><td class="align-center" style="width: 21.0494%; height: 29px;">**Operation group**</td><td class="align-center" style="width: 14.0123%; height: 29px;">**Motor signal**</td></tr><tr style="height: 29px;"><td style="width: 9.07407%; height: 29px;">1</td><td style="width: 18.9506%; height: 29px;"><span style="font-family: Arial, sans-serif;">Blue</span>

</td><td style="width: 21.0494%; height: 29px;"><span style="font-family: Arial, sans-serif;">Focus</span>

</td><td style="width: 14.0123%; height: 29px;"><span style="font-family: Arial, sans-serif;">A-</span>

</td></tr><tr style="height: 29px;"><td style="width: 9.07407%; height: 29px;">2</td><td style="width: 18.9506%; height: 29px;"><span style="font-family: Arial, sans-serif;">Black</span>

</td><td style="width: 21.0494%; height: 29px;"><span style="font-family: Arial, sans-serif;">Focus</span>

</td><td style="width: 14.0123%; height: 29px;"><span style="font-family: Arial, sans-serif;">A+</span>

</td></tr><tr style="height: 29px;"><td style="width: 9.07407%; height: 29px;">3</td><td style="width: 18.9506%; height: 29px;"><span style="font-family: Arial, sans-serif;">Green</span>

</td><td style="width: 21.0494%; height: 29px;"><span style="font-family: Arial, sans-serif;">Zoom</span>

</td><td style="width: 14.0123%; height: 29px;"><span style="font-family: Arial, sans-serif;">A-</span>

</td></tr><tr><td style="width: 9.07407%;">4</td><td style="width: 18.9506%;"><span style="font-family: Arial, sans-serif;">Orange</span>

</td><td style="width: 21.0494%;"><span style="font-family: Arial, sans-serif;">Zoom</span>

</td><td style="width: 14.0123%;"><span style="font-family: Arial, sans-serif;">A+</span>

</td></tr><tr><td style="width: 9.07407%;">5</td><td style="width: 18.9506%;"><span style="font-family: Arial, sans-serif;">Yellow</span>

</td><td style="width: 21.0494%;"><span style="font-family: Arial, sans-serif;">Zoom</span>

</td><td style="width: 14.0123%;"><span style="font-family: Arial, sans-serif;">B+</span>

</td></tr><tr><td style="width: 9.07407%;">6</td><td style="width: 18.9506%;"><span style="font-family: Arial, sans-serif;">Purple</span>

</td><td style="width: 21.0494%;"><span style="font-family: Arial, sans-serif;">Zoom</span>

</td><td style="width: 14.0123%;"><span style="font-family: Arial, sans-serif;">B-</span>

</td></tr><tr><td style="width: 9.07407%;">7</td><td style="width: 18.9506%;"><span style="font-family: Arial, sans-serif;">White</span>

</td><td style="width: 21.0494%;"><span style="font-family: Arial, sans-serif;">Focus</span>

</td><td style="width: 14.0123%;"><span style="font-family: Arial, sans-serif;">B-</span>

</td></tr><tr><td style="width: 9.07407%;">8</td><td style="width: 18.9506%;"><span style="font-family: Arial, sans-serif;">Red</span>

</td><td style="width: 21.0494%;"><span style="font-family: Arial, sans-serif;">Focus</span>

</td><td style="width: 14.0123%;"><span style="font-family: Arial, sans-serif;">B+</span>

</td></tr></tbody></table>

#### Motor specifications

<table border="1" id="bkmrk-step-motor-outside-d" style="border-collapse: collapse; width: 100%;"><tbody><tr><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Step Motor Outside diameter</span>

</td><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">8mm</span>

</td></tr><tr><td style="width: 50%;">Phase count</td><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">2 phase (Bipolar)</span>

</td></tr><tr><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Coil Resistance</span>

</td><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">40<span class="st">Ω</span> / phase±10%</span>

</td></tr><tr><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Current</span>

</td><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">120-140mA (3.3-5V)</span>

</td></tr><tr><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Step angle</span>

</td><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">1</span><span style="font-family: Arial, sans-serif;">8 degrees/step</span>

</td></tr><tr><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Inductance</span>

</td><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">2m H REF(at 25℃ 1KHZ, 1.0Vrms)</span>

</td></tr><tr><td style="width: 50%;">Operating temperature</td><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">-20℃ to 60℃</span>

</td></tr><tr><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Zoom range </span><span style="font-family: Arial, sans-serif;">steps  
</span>

</td><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">2342 Steps 0.0076mm/Steps</span>

</td></tr><tr><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">Focus range </span>steps

</td><td style="width: 50%;"><span style="font-family: Arial, sans-serif;">2342 Steps 0.0022mm/Steps</span>

</td></tr></tbody></table>